Fuel pump replaced/ now/ pedal sensor

Make sure the shop tells you the actual five-character trouble code, not just what they think it "means".

Then look for that code in this post.

The Prius has both a throttle position sensor and a pedal position sensor, completely different parts in completely different places, and because of the way SAE standardizes trouble codes, all the trouble codes for those two different things have fortune cookies starting with the words "throttle/pedal position sensor/switch".

If you're not paying real close attention to exactly which code(s) you have, you end up wasting time and money on the wrong part in the wrong place.

 

Make sure it has gas, the gas gauge can "get stuck" making it look like it has gas when it doesn't.

Edit: Actually it's the part of the fuel pump that informs the gas gauge that gets stuck so if they replaced the entire pump then that's not it.

 

The level sender and the pump are both parts of the same assembly you pull out of the tank, but can be replaced separately, so the shop might not have replaced the whole enchilada.

Don't forget to check the exact "throttle / pedal sensor" trouble code, using the link in #2 above, to be sure whether it is about the throttle sensor or the pedal sensor.

Don't put off checking that.

 

Any word yet on what the trouble code was?

If they haven't been in the habit of telling you what the trouble codes were up to this point, you might want to advise them of a new rule.

 

It's unfortunate not to have written that down. Has he told you the "code for the accelerator pedal sensor" has gone away now that he changed that? Is the car giving any codes now?

When somebody says that, and especially when somebody seems to think the codes tell him what to replace, it's very likely he's never learned that the Prius has seventeen different trouble codes whose fortune cookies all start with "Throttle / Pedal Position Sensor", but eight of them are about the throttle sensor (on the engine) and nine are about the pedal sensor (on the pedal). It is very easy to bark up the wrong tree if you don't have the actual trouble code(s) to look up in this post.

 

I know you've said that several times. All I can do is reiterate that unless the shop was very knowledgeable about the Prius (which they don't say they are), their ability to tell the difference between a code for the throttle sensor and a code for the accelerator sensor is probably nil, and there's a very good chance they guessed wrong about the code they saw.

 

Have them charge the 12v battery at 5 amps or less for 6 hours.
How old is that battery? If it's 5 or so years old, it probably should be replaced.
And the NEW battery needs to be charges also.

 

By this point, the OP's issue seems resolved, and this last reminder is more for others who might come across this thread in the future.

Never let anybody tell you "code read accelerator sensor" or "code read throttle sensor" and not tell you the actual code.

Prius has at least 17 different codes that all read "throttle / pedal position sensor" and that slash means one or the other.

About half of those codes are about the throttle sensor and about half are about the pedal sensor. These are two completely different sensors in two completely different places in the car.

The actual code has to be looked up somewhere like here to find out whether it is about the throttle sensor or about the pedal sensor.

If you are ever having a Prius problem and about to post on PriusChat about it, you can save everyone time by never making a post that says "code read accelerator sensor" or "code read throttle sensor" and doesn't say what the actual code was.

If some shop read the code for you and told you that, and didn't tell you the code, the best thing is to go back and ask, and then post the actual code.

If you aren't able to find out what the actual code was, then just post that you got one of the codes for the throttle sensor or for the pedal sensor and you never got the actual code and so don't know which sensor it was about.

That way, at least, we all start off knowing what information we do and don't have.

And, of course, never let a shop spend your money changing a pedal sensor, or a throttle sensor, because they got a "throttle / pedal position sensor" code and didn't take the time to look the actual code up to see which sensor it was about. (Not to mention further troubleshooting the wiring, and so on, before condemning either sensor itself.)

 

Shouldn't the driver check the fuel level?
You should ALWAYS start with the easiest and quickest things first.

There could be some moisture in the fuel tank, so when it gets low, it is using that fuel mix.
Perhaps some of the stp fuel treatment stuff that helps remove the moisture would help.

Did you at least get your old good parts back?
And did you get your money back from the ones that told you it was this or that and it didn't
resolve the issue?